ESP32 Becomes Music Player In Under 40 Lines of Code

The demo code for [XTronical]’s ESP32-based SD card music player is not even 40 lines long, though it will also require a few economical parts before it all works. Nevertheless, making a microcontroller play MP3s (and other formats) from an SD card is considerably simpler today than it was years …read more

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How Did They Get Sampled Sounds From An SN76849 8-bit Sound Chip?

If you were lucky and had well-off parents in the early 1980s, your home computer had a sound chip on board and could make music. There were a variety of chips on the market that combined in some form the tone generators and noise sources of a synthesiser, but without …read more

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Swap Your Microwave for a High Voltage Stereo

When building a new project, common wisdom suggests to avoid “reinventing the wheel”, or doing something simple from scratch that’s easily available already. However, if you can build a high-voltage wheel, so to speak, it might be fun just to see what happens. [Dan] decided to reinvent not the wheel, …read more

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Tile and Skullcandy join up to let you track your wireless earphones

You might be used to finding your lost smartphone on a map, but what about your other gadgets? Skullcandy has teamed up with tracking experts Tile to create a new series of true wireless earbuds that you can locate using an app on your phone, should th… Continue reading Tile and Skullcandy join up to let you track your wireless earphones

A Transmission Line Speaker With The Design Work To Back It Up

We love the world of audiophiles here at Hackaday, mostly for the rich vein of outrageous claims over dubious audio products that it generates. We’ve made hay with audiophile silliness in the past, but what we really like above that is a high quality audio project done properly. It’s one …read more

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